6021021100978 has 16 divisors (see below), whose sum is σ = 9728662429080. Its totient is φ = 2778247794816.

The previous prime is 6021021100931. The next prime is 6021021100979. The reversal of 6021021100978 is 8790011201206.

It can be written as a sum of positive squares in 4 ways, for example, as 5468783362849 + 552237738129 = 2338543^2 + 743127^2 .

It is not an unprimeable number, because it can be changed into a prime (6021021100979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28435033 + ... + 28645996.

Almost surely, 2^{6021021100978} is an apocalyptic number.

6021021100978 is a deficient number, since it is larger than the sum of its proper divisors (3707641328102).

6021021100978 is a wasteful number, since it uses less digits than its factorization.

6021021100978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57085101.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 6021021100978 in words is "six trillion, twenty-one billion, twenty-one million, one hundred thousand, nine hundred seventy-eight".